Inventor

ISHIGE SADAO

JP26 patents

⚠️ This page may combine multiple inventors who share the name “ISHIGE SADAO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

ISHIGE SADAO

FUJI PHOTO FILM CO LTD

Light- and heat-sensitive composition, and recording material

Print-out compositions

Heat-sensitive recording material

Recording sheet and color developer therefor

Process for producing microcapsules containing a diazonium salt compound and a photofixation thermal recording material employing the same

Light-sensitive heat-sensitive composition and recording material comprising same and image formation process using same

Heat-sensitive recording material and recording method therefor

Fluoran derivatives and recording material using same

Process for preparing fluoran derivatives

Recording material

Recording sheets

Light- and heat-sensitive recording material

Black color heat-sensitive diazo microcapsule recording material with benzoylacetic amide coupler

Recording method comprising reacting cellulose fiber with a basic color former

Positive type light-sensitive composition

Heat-sensitive recording materials

Recording materials containing chromenoindoles

Diazo heat-sensitive recording material comprising hydroxy coumarin as a coupler

Process for producing microcapsule containing diazonium salt compound and photo- and heat-sensitive recording material produced using the same

Diazo heat-sensitive recording material

Positive-working light-sensitive composition containing diazonium salt and novolak resin

Heat-sensitive recording materials

Diazo type recording material comprising two couplers wherein the novel coupler used is a bis-malonamide

Thiazine production

Color former and pressure-sensitive copying paper

HODOGAYA CHEMICAL CO LTD

Pressure-sensitive copying paper containing lactone compounds derived from pyridine-carboxylic acid